Home / 1,776.28-2,451.48-1,030.18

Finding the Fourth Proportional to 1,776.28, 2,451.48 and 1,030.18

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Solution

The fourth proportional to 1,776.28, 2,451.48 and 1,030.18 is: 1,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.28 : 2,451.48 = 1,030.18 : x
  2. Step 2: Convert to fraction form
    1,776.28/2,451.48 = 1,030.18/x
  3. Step 3: Cross multiply
    1,776.28x = 2,451.48 × 1,030.18
  4. Step 4: Simplify right side
    1,776.28x = 2,525,465.67
  5. Step 5: Solve for x
    x = 2,525,465.67/1,776.28
  6. Step 6: Final answer
    x = 1,421.77

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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.