Home / 5,602.32-7,730.28-3,117.84

Finding the Fourth Proportional to 5,602.32, 7,730.28 and 3,117.84

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Solution

The fourth proportional to 5,602.32, 7,730.28 and 3,117.84 is: 4,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.32 : 7,730.28 = 3,117.84 : x
  2. Step 2: Convert to fraction form
    5,602.32/7,730.28 = 3,117.84/x
  3. Step 3: Cross multiply
    5,602.32x = 7,730.28 × 3,117.84
  4. Step 4: Simplify right side
    5,602.32x = 24,101,776.20
  5. Step 5: Solve for x
    x = 24,101,776.20/5,602.32
  6. Step 6: Final answer
    x = 4,302.11

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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.