Home / 1,248.10-1,870.90-467.60

Finding the Fourth Proportional to 1,248.10, 1,870.90 and 467.60

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Solution

The fourth proportional to 1,248.10, 1,870.90 and 467.60 is: 700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.10 : 1,870.90 = 467.60 : x
  2. Step 2: Convert to fraction form
    1,248.10/1,870.90 = 467.60/x
  3. Step 3: Cross multiply
    1,248.10x = 1,870.90 × 467.60
  4. Step 4: Simplify right side
    1,248.10x = 874,832.84
  5. Step 5: Solve for x
    x = 874,832.84/1,248.10
  6. Step 6: Final answer
    x = 700.93

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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.