Home / 5,407.84-7,462.08-3,311.52

Finding the Fourth Proportional to 5,407.84, 7,462.08 and 3,311.52

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Solution

The fourth proportional to 5,407.84, 7,462.08 and 3,311.52 is: 4,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.84 : 7,462.08 = 3,311.52 : x
  2. Step 2: Convert to fraction form
    5,407.84/7,462.08 = 3,311.52/x
  3. Step 3: Cross multiply
    5,407.84x = 7,462.08 × 3,311.52
  4. Step 4: Simplify right side
    5,407.84x = 24,710,827.16
  5. Step 5: Solve for x
    x = 24,710,827.16/5,407.84
  6. Step 6: Final answer
    x = 4,569.44

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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.