Home / 7,554.28-10,428.39-4,530.84

Finding the Fourth Proportional to 7,554.28, 10,428.39 and 4,530.84

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Solution

The fourth proportional to 7,554.28, 10,428.39 and 4,530.84 is: 6,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.28 : 10,428.39 = 4,530.84 : x
  2. Step 2: Convert to fraction form
    7,554.28/10,428.39 = 4,530.84/x
  3. Step 3: Cross multiply
    7,554.28x = 10,428.39 × 4,530.84
  4. Step 4: Simplify right side
    7,554.28x = 47,249,366.55
  5. Step 5: Solve for x
    x = 47,249,366.55/7,554.28
  6. Step 6: Final answer
    x = 6,254.65

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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.