Home / 7,483.16-10,326.78-4,125.90

Finding the Fourth Proportional to 7,483.16, 10,326.78 and 4,125.90

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Solution

The fourth proportional to 7,483.16, 10,326.78 and 4,125.90 is: 5,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.16 : 10,326.78 = 4,125.90 : x
  2. Step 2: Convert to fraction form
    7,483.16/10,326.78 = 4,125.90/x
  3. Step 3: Cross multiply
    7,483.16x = 10,326.78 × 4,125.90
  4. Step 4: Simplify right side
    7,483.16x = 42,607,209.97
  5. Step 5: Solve for x
    x = 42,607,209.97/7,483.16
  6. Step 6: Final answer
    x = 5,693.75

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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.