Home / 1,831.41-2,527.14-1,085.10

Finding the Fourth Proportional to 1,831.41, 2,527.14 and 1,085.10

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Solution

The fourth proportional to 1,831.41, 2,527.14 and 1,085.10 is: 1,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.41 : 2,527.14 = 1,085.10 : x
  2. Step 2: Convert to fraction form
    1,831.41/2,527.14 = 1,085.10/x
  3. Step 3: Cross multiply
    1,831.41x = 2,527.14 × 1,085.10
  4. Step 4: Simplify right side
    1,831.41x = 2,742,199.61
  5. Step 5: Solve for x
    x = 2,742,199.61/1,831.41
  6. Step 6: Final answer
    x = 1,497.32

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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.