Home / 5,390.16-7,437.72-3,032.28

Finding the Fourth Proportional to 5,390.16, 7,437.72 and 3,032.28

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Solution

The fourth proportional to 5,390.16, 7,437.72 and 3,032.28 is: 4,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.16 : 7,437.72 = 3,032.28 : x
  2. Step 2: Convert to fraction form
    5,390.16/7,437.72 = 3,032.28/x
  3. Step 3: Cross multiply
    5,390.16x = 7,437.72 × 3,032.28
  4. Step 4: Simplify right side
    5,390.16x = 22,553,249.60
  5. Step 5: Solve for x
    x = 22,553,249.60/5,390.16
  6. Step 6: Final answer
    x = 4,184.15

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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.