Home / 4,070.08-5,620.28-3,184.35

Finding the Fourth Proportional to 4,070.08, 5,620.28 and 3,184.35

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Solution

The fourth proportional to 4,070.08, 5,620.28 and 3,184.35 is: 4,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.08 : 5,620.28 = 3,184.35 : x
  2. Step 2: Convert to fraction form
    4,070.08/5,620.28 = 3,184.35/x
  3. Step 3: Cross multiply
    4,070.08x = 5,620.28 × 3,184.35
  4. Step 4: Simplify right side
    4,070.08x = 17,896,938.62
  5. Step 5: Solve for x
    x = 17,896,938.62/4,070.08
  6. Step 6: Final answer
    x = 4,397.20

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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.