Home / 1,497.51-2,232.34-1,415.43

Finding the Fourth Proportional to 1,497.51, 2,232.34 and 1,415.43

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Solution

The fourth proportional to 1,497.51, 2,232.34 and 1,415.43 is: 2,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.51 : 2,232.34 = 1,415.43 : x
  2. Step 2: Convert to fraction form
    1,497.51/2,232.34 = 1,415.43/x
  3. Step 3: Cross multiply
    1,497.51x = 2,232.34 × 1,415.43
  4. Step 4: Simplify right side
    1,497.51x = 3,159,717.47
  5. Step 5: Solve for x
    x = 3,159,717.47/1,497.51
  6. Step 6: Final answer
    x = 2,109.98

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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.