Home / 5,312.16-7,330.95-3,186.96

Finding the Fourth Proportional to 5,312.16, 7,330.95 and 3,186.96

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Solution

The fourth proportional to 5,312.16, 7,330.95 and 3,186.96 is: 4,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.16 : 7,330.95 = 3,186.96 : x
  2. Step 2: Convert to fraction form
    5,312.16/7,330.95 = 3,186.96/x
  3. Step 3: Cross multiply
    5,312.16x = 7,330.95 × 3,186.96
  4. Step 4: Simplify right side
    5,312.16x = 23,363,444.41
  5. Step 5: Solve for x
    x = 23,363,444.41/5,312.16
  6. Step 6: Final answer
    x = 4,398.11

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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.