Home / 1,507.24-2,080.20-1,088.98

Finding the Fourth Proportional to 1,507.24, 2,080.20 and 1,088.98

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Solution

The fourth proportional to 1,507.24, 2,080.20 and 1,088.98 is: 1,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.24 : 2,080.20 = 1,088.98 : x
  2. Step 2: Convert to fraction form
    1,507.24/2,080.20 = 1,088.98/x
  3. Step 3: Cross multiply
    1,507.24x = 2,080.20 × 1,088.98
  4. Step 4: Simplify right side
    1,507.24x = 2,265,296.20
  5. Step 5: Solve for x
    x = 2,265,296.20/1,507.24
  6. Step 6: Final answer
    x = 1,502.94

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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.