Home / 4,645.04-6,407.45-2,875.38

Finding the Fourth Proportional to 4,645.04, 6,407.45 and 2,875.38

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Solution

The fourth proportional to 4,645.04, 6,407.45 and 2,875.38 is: 3,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.04 : 6,407.45 = 2,875.38 : x
  2. Step 2: Convert to fraction form
    4,645.04/6,407.45 = 2,875.38/x
  3. Step 3: Cross multiply
    4,645.04x = 6,407.45 × 2,875.38
  4. Step 4: Simplify right side
    4,645.04x = 18,423,839.20
  5. Step 5: Solve for x
    x = 18,423,839.20/4,645.04
  6. Step 6: Final answer
    x = 3,966.35

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.