Home / 2,088.07-3,130.62-1,047.32

Finding the Fourth Proportional to 2,088.07, 3,130.62 and 1,047.32

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Solution

The fourth proportional to 2,088.07, 3,130.62 and 1,047.32 is: 1,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.07 : 3,130.62 = 1,047.32 : x
  2. Step 2: Convert to fraction form
    2,088.07/3,130.62 = 1,047.32/x
  3. Step 3: Cross multiply
    2,088.07x = 3,130.62 × 1,047.32
  4. Step 4: Simplify right side
    2,088.07x = 3,278,760.94
  5. Step 5: Solve for x
    x = 3,278,760.94/2,088.07
  6. Step 6: Final answer
    x = 1,570.24

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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.