Home / 2,140.24-2,952.50-1,510.88

Finding the Fourth Proportional to 2,140.24, 2,952.50 and 1,510.88

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Solution

The fourth proportional to 2,140.24, 2,952.50 and 1,510.88 is: 2,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.24 : 2,952.50 = 1,510.88 : x
  2. Step 2: Convert to fraction form
    2,140.24/2,952.50 = 1,510.88/x
  3. Step 3: Cross multiply
    2,140.24x = 2,952.50 × 1,510.88
  4. Step 4: Simplify right side
    2,140.24x = 4,460,873.20
  5. Step 5: Solve for x
    x = 4,460,873.20/2,140.24
  6. Step 6: Final answer
    x = 2,084.29

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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.