Home / 1,461.52-2,184.20-1,309.24

Finding the Fourth Proportional to 1,461.52, 2,184.20 and 1,309.24

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Solution

The fourth proportional to 1,461.52, 2,184.20 and 1,309.24 is: 1,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.52 : 2,184.20 = 1,309.24 : x
  2. Step 2: Convert to fraction form
    1,461.52/2,184.20 = 1,309.24/x
  3. Step 3: Cross multiply
    1,461.52x = 2,184.20 × 1,309.24
  4. Step 4: Simplify right side
    1,461.52x = 2,859,642.01
  5. Step 5: Solve for x
    x = 2,859,642.01/1,461.52
  6. Step 6: Final answer
    x = 1,956.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.