Home / 5,746.60-8,603.10-4,292.20

Finding the Fourth Proportional to 5,746.60, 8,603.10 and 4,292.20

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Solution

The fourth proportional to 5,746.60, 8,603.10 and 4,292.20 is: 6,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.60 : 8,603.10 = 4,292.20 : x
  2. Step 2: Convert to fraction form
    5,746.60/8,603.10 = 4,292.20/x
  3. Step 3: Cross multiply
    5,746.60x = 8,603.10 × 4,292.20
  4. Step 4: Simplify right side
    5,746.60x = 36,926,225.82
  5. Step 5: Solve for x
    x = 36,926,225.82/5,746.60
  6. Step 6: Final answer
    x = 6,425.75

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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.