Home / 5,340.12-7,368.48-3,102.36

Finding the Fourth Proportional to 5,340.12, 7,368.48 and 3,102.36

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Solution

The fourth proportional to 5,340.12, 7,368.48 and 3,102.36 is: 4,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.12 : 7,368.48 = 3,102.36 : x
  2. Step 2: Convert to fraction form
    5,340.12/7,368.48 = 3,102.36/x
  3. Step 3: Cross multiply
    5,340.12x = 7,368.48 × 3,102.36
  4. Step 4: Simplify right side
    5,340.12x = 22,859,677.61
  5. Step 5: Solve for x
    x = 22,859,677.61/5,340.12
  6. Step 6: Final answer
    x = 4,280.74

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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.