Home / 1,465.11-2,197.53-735.17

Finding the Fourth Proportional to 1,465.11, 2,197.53 and 735.17

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Solution

The fourth proportional to 1,465.11, 2,197.53 and 735.17 is: 1,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.11 : 2,197.53 = 735.17 : x
  2. Step 2: Convert to fraction form
    1,465.11/2,197.53 = 735.17/x
  3. Step 3: Cross multiply
    1,465.11x = 2,197.53 × 735.17
  4. Step 4: Simplify right side
    1,465.11x = 1,615,547.14
  5. Step 5: Solve for x
    x = 1,615,547.14/1,465.11
  6. Step 6: Final answer
    x = 1,102.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.