Home / 5,308.28-7,308.63-4,045.31

Finding the Fourth Proportional to 5,308.28, 7,308.63 and 4,045.31

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Solution

The fourth proportional to 5,308.28, 7,308.63 and 4,045.31 is: 5,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.28 : 7,308.63 = 4,045.31 : x
  2. Step 2: Convert to fraction form
    5,308.28/7,308.63 = 4,045.31/x
  3. Step 3: Cross multiply
    5,308.28x = 7,308.63 × 4,045.31
  4. Step 4: Simplify right side
    5,308.28x = 29,565,637.48
  5. Step 5: Solve for x
    x = 29,565,637.48/5,308.28
  6. Step 6: Final answer
    x = 5,569.73

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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.