Home / 7,655.40-10,563.63-4,298.58

Finding the Fourth Proportional to 7,655.40, 10,563.63 and 4,298.58

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Solution

The fourth proportional to 7,655.40, 10,563.63 and 4,298.58 is: 5,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.40 : 10,563.63 = 4,298.58 : x
  2. Step 2: Convert to fraction form
    7,655.40/10,563.63 = 4,298.58/x
  3. Step 3: Cross multiply
    7,655.40x = 10,563.63 × 4,298.58
  4. Step 4: Simplify right side
    7,655.40x = 45,408,608.65
  5. Step 5: Solve for x
    x = 45,408,608.65/7,655.40
  6. Step 6: Final answer
    x = 5,931.58

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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.