Home / 5,248.80-7,870.84-1,549.76

Finding the Fourth Proportional to 5,248.80, 7,870.84 and 1,549.76

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Solution

The fourth proportional to 5,248.80, 7,870.84 and 1,549.76 is: 2,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.80 : 7,870.84 = 1,549.76 : x
  2. Step 2: Convert to fraction form
    5,248.80/7,870.84 = 1,549.76/x
  3. Step 3: Cross multiply
    5,248.80x = 7,870.84 × 1,549.76
  4. Step 4: Simplify right side
    5,248.80x = 12,197,869.77
  5. Step 5: Solve for x
    x = 12,197,869.77/5,248.80
  6. Step 6: Final answer
    x = 2,323.93

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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.