Home / 3,047.17-4,570.80-1,315.75

Finding the Fourth Proportional to 3,047.17, 4,570.80 and 1,315.75

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Solution

The fourth proportional to 3,047.17, 4,570.80 and 1,315.75 is: 1,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.17 : 4,570.80 = 1,315.75 : x
  2. Step 2: Convert to fraction form
    3,047.17/4,570.80 = 1,315.75/x
  3. Step 3: Cross multiply
    3,047.17x = 4,570.80 × 1,315.75
  4. Step 4: Simplify right side
    3,047.17x = 6,014,030.10
  5. Step 5: Solve for x
    x = 6,014,030.10/3,047.17
  6. Step 6: Final answer
    x = 1,973.64

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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.