Home / 1,526.24-2,106.32-1,134.40

Finding the Fourth Proportional to 1,526.24, 2,106.32 and 1,134.40

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Solution

The fourth proportional to 1,526.24, 2,106.32 and 1,134.40 is: 1,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.24 : 2,106.32 = 1,134.40 : x
  2. Step 2: Convert to fraction form
    1,526.24/2,106.32 = 1,134.40/x
  3. Step 3: Cross multiply
    1,526.24x = 2,106.32 × 1,134.40
  4. Step 4: Simplify right side
    1,526.24x = 2,389,409.41
  5. Step 5: Solve for x
    x = 2,389,409.41/1,526.24
  6. Step 6: Final answer
    x = 1,565.55

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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.