Home / 2,885.42-4,329.28-1,155.26

Finding the Fourth Proportional to 2,885.42, 4,329.28 and 1,155.26

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Solution

The fourth proportional to 2,885.42, 4,329.28 and 1,155.26 is: 1,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.42 : 4,329.28 = 1,155.26 : x
  2. Step 2: Convert to fraction form
    2,885.42/4,329.28 = 1,155.26/x
  3. Step 3: Cross multiply
    2,885.42x = 4,329.28 × 1,155.26
  4. Step 4: Simplify right side
    2,885.42x = 5,001,444.01
  5. Step 5: Solve for x
    x = 5,001,444.01/2,885.42
  6. Step 6: Final answer
    x = 1,733.35

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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.