Home / 2,509.02-3,459.24-1,721.70

Finding the Fourth Proportional to 2,509.02, 3,459.24 and 1,721.70

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Solution

The fourth proportional to 2,509.02, 3,459.24 and 1,721.70 is: 2,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.02 : 3,459.24 = 1,721.70 : x
  2. Step 2: Convert to fraction form
    2,509.02/3,459.24 = 1,721.70/x
  3. Step 3: Cross multiply
    2,509.02x = 3,459.24 × 1,721.70
  4. Step 4: Simplify right side
    2,509.02x = 5,955,773.51
  5. Step 5: Solve for x
    x = 5,955,773.51/2,509.02
  6. Step 6: Final answer
    x = 2,373.74

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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.