Home / 1,881.32-2,595.20-1,095.21

Finding the Fourth Proportional to 1,881.32, 2,595.20 and 1,095.21

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Solution

The fourth proportional to 1,881.32, 2,595.20 and 1,095.21 is: 1,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.32 : 2,595.20 = 1,095.21 : x
  2. Step 2: Convert to fraction form
    1,881.32/2,595.20 = 1,095.21/x
  3. Step 3: Cross multiply
    1,881.32x = 2,595.20 × 1,095.21
  4. Step 4: Simplify right side
    1,881.32x = 2,842,283.52
  5. Step 5: Solve for x
    x = 2,842,283.52/1,881.32
  6. Step 6: Final answer
    x = 1,510.80

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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.