Home / 4,574.48-6,312.77-2,478.60

Finding the Fourth Proportional to 4,574.48, 6,312.77 and 2,478.60

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Solution

The fourth proportional to 4,574.48, 6,312.77 and 2,478.60 is: 3,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.48 : 6,312.77 = 2,478.60 : x
  2. Step 2: Convert to fraction form
    4,574.48/6,312.77 = 2,478.60/x
  3. Step 3: Cross multiply
    4,574.48x = 6,312.77 × 2,478.60
  4. Step 4: Simplify right side
    4,574.48x = 15,646,831.72
  5. Step 5: Solve for x
    x = 15,646,831.72/4,574.48
  6. Step 6: Final answer
    x = 3,420.46

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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.