Home / 7,038.78-10,554.59-2,357.11

Finding the Fourth Proportional to 7,038.78, 10,554.59 and 2,357.11

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Solution

The fourth proportional to 7,038.78, 10,554.59 and 2,357.11 is: 3,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.78 : 10,554.59 = 2,357.11 : x
  2. Step 2: Convert to fraction form
    7,038.78/10,554.59 = 2,357.11/x
  3. Step 3: Cross multiply
    7,038.78x = 10,554.59 × 2,357.11
  4. Step 4: Simplify right side
    7,038.78x = 24,878,276.86
  5. Step 5: Solve for x
    x = 24,878,276.86/7,038.78
  6. Step 6: Final answer
    x = 3,534.46

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1.5x scale

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.