Home / 5,720.32-8,565.45-4,603.80

Finding the Fourth Proportional to 5,720.32, 8,565.45 and 4,603.80

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Solution

The fourth proportional to 5,720.32, 8,565.45 and 4,603.80 is: 6,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.32 : 8,565.45 = 4,603.80 : x
  2. Step 2: Convert to fraction form
    5,720.32/8,565.45 = 4,603.80/x
  3. Step 3: Cross multiply
    5,720.32x = 8,565.45 × 4,603.80
  4. Step 4: Simplify right side
    5,720.32x = 39,433,618.71
  5. Step 5: Solve for x
    x = 39,433,618.71/5,720.32
  6. Step 6: Final answer
    x = 6,893.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.