Home / 1,527.06-2,106.18-1,055.74

Finding the Fourth Proportional to 1,527.06, 2,106.18 and 1,055.74

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Solution

The fourth proportional to 1,527.06, 2,106.18 and 1,055.74 is: 1,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.06 : 2,106.18 = 1,055.74 : x
  2. Step 2: Convert to fraction form
    1,527.06/2,106.18 = 1,055.74/x
  3. Step 3: Cross multiply
    1,527.06x = 2,106.18 × 1,055.74
  4. Step 4: Simplify right side
    1,527.06x = 2,223,582.35
  5. Step 5: Solve for x
    x = 2,223,582.35/1,527.06
  6. Step 6: Final answer
    x = 1,456.12

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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.