Home / 5,460.21-8,148.06-4,870.46

Finding the Fourth Proportional to 5,460.21, 8,148.06 and 4,870.46

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Solution

The fourth proportional to 5,460.21, 8,148.06 and 4,870.46 is: 7,268.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.21 : 8,148.06 = 4,870.46 : x
  2. Step 2: Convert to fraction form
    5,460.21/8,148.06 = 4,870.46/x
  3. Step 3: Cross multiply
    5,460.21x = 8,148.06 × 4,870.46
  4. Step 4: Simplify right side
    5,460.21x = 39,684,820.68
  5. Step 5: Solve for x
    x = 39,684,820.68/5,460.21
  6. Step 6: Final answer
    x = 7,268.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.